/Engine/Plugins/Runtime/RigVM/Source/RigVM/Public/RigVMCore/RigVMStruct.h
Returns the name of the first variable given a(or NAME_None if not found)
[FName](API\Runtime\Core\UObject\FName) FindFirstVariableOfType ( [FName](API\Runtime\Core\UObject\FName) InCPPTypeName ) const